Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468320 | Filter unit and filter | Tomomi Takahashi, Masao Ieno, Yoshitaka Saito | 2002-10-22 |
| 6150455 | Thermostable polymer electrolyte gel | Hiroyuki Takamiya, Ryosuke Nishida | 2000-11-21 |
| 6143390 | Low-temperature regenerative type moisture absorbing element | Hiroyuki Takamiya, Masao Ieno | 2000-11-07 |